Chocolate Tempering over the Entire Conveying Range:

Statistics tell us that every German citizen eats around 9.5 kg of chocolate a year, in the form of bars, hollow figures, pralines and such like. There is a particularly steep rise in consumption at Easter and Christmas.

Look behind the scenes

Chocolate may be very popular, but it is extremely complicated to make. In particular, the temperature has to be precisely controlled at all times to achieve the later melt-in-your-mouth effect.

Challenge accepted

The secret of high-quality chocolate is ensuring that the fat crystals contained are configured in the best possible way. This is directly dependent on tempering. If the temperature is too high or too low, chocolate will no longer melt in your mouth or will not have an attractive, shiny finish, but a milky, lack-luster look instead. The viscosity also changes along with the crystal content, and this may lead to problems further on in processing or when filling. Tempering is therefore crucial in terms of quality. This means high quality chocolate needs smooth conveyance at a constant temperature.

Excellently solved

That is why the NEMO® progressing cavity pump, which is characterised by its particularly smooth performance in conveyance, is used as chocolate pump. It is based on the geometries of a helix rotor and the reverse-helix stator surrounding it, with these being precisely attuned to one another. The size of the chambers and the low surface speed of the rotor even allow coarser solids, such as nuts or brittle, to be conveyed without any damage being caused. An adjustable heating jacket has been added to this proven form of pump for tempering. This encloses the whole length of the pump, from the mechanical seals to the pressure ports. It allows the required heat to be kept constant through the various stages of the process.

Technical Data

Products

NEMO® C.Pro

The NEMO® N-Ipos CY C.Pro Dosing Pump is a fully synthetic pump for the precise dosing of a great variety of chemicals in environmental technology and the chemical industry. Its synthetic construction makes it perfectly suited for the gentle and low-pulsation conveyance and dosing of aggressive or non-aggressive chemicals.

NEMO® BH Hygienic Pump

The NEMO® BH Hygienic Pump is employed in the foodstuff, pharmaceutical, cosmetic and chemical/biochemical industries for hygienic applications and optimal cleaning. It is ideal in these settings due in part to its continuous, pressure-stable, gentle and low-pulsation conveyance and in part to its capability of dosing in proportion to speed.

NEMO® BO/BS Pump with Hopper in Block Construction and Flanged Drive

The NEMO® BO/BS Progressing Cavity Pump with square/rectangular hopper and coupling rod with feeding screw and force-feed chamber is employed in almost all branches of industry to provide continuous, pressure-stable, gentle and low-pulsation conveyance.

NEMO® BF Progressing Cavity Pump with Hopper and Feeding Screw

The NEMO® BF is used in all branches of industry to provide continuous, pressure-stable, gentle and low-pulsation conveyance with dosing in proportion to rotation speed. It is employed primarily for highly viscous, compacted and crumbly substances that do not have a tendency to bridge.

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